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Standard User goatty2
(member) Tue 24-Mar-20 19:33:24
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speed test


[link to this post]
 
why is the tbbx1 about a third of the tbbx6

https://www.thinkbroadband.com/speedtest/15850766536...
Standard User Jaggies
(committed) Tue 24-Mar-20 20:15:42
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Re: speed test


[re: goatty2] [link to this post]
 
A little slower here as you might expect, but nowhere near as bad as 1/3...

My Broadband Speed Test

Brian
From September 2001 on BTopenworld Home 500/Home 1000/Home 2000. Then ADSLMax on <n>ildram. Moved to ADSL2+ from ADSL24. I'm now with plusnet on FTTC since 28/05/2014 and loving it... I'm not saying who I work for. Any opinions expressed here are my own.
Standard User jelv
(knowledge is power) Tue 24-Mar-20 23:02:06
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Re: speed test


[re: goatty2] [link to this post]
 
Not enough capacity somewhere between you and the tbb servers.

jelv

AAISP November 2016
(Previous ISP Plusnet November 2001 to October 2016) Why I left Plusnet
Telephone rental: Pulse8


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Standard User ggremlin
(experienced) Tue 24-Mar-20 23:52:57
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Re: speed test


[re: goatty2] [link to this post]
 
because x1 is 'max'ing out 1 stream, and x6 has a few more to play with.
that is why it is a good test!
Standard User epyon
(fountain of knowledge) Wed 25-Mar-20 11:00:09
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Re: speed test


[re: goatty2] [link to this post]
 
Its been wonky for me since i can remember single threaded speedtest.net gives me in the 460Mb/s while here only gives 130Mb/s

Standard User watsonm
(newbie) Wed 25-Mar-20 11:25:23
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Re: speed test


[re: epyon] [link to this post]
 
It's been stable for me since I got FTTP/BT 13 months ago. My puzzle is that I've been regularly running the speed test on Thinkbroadband, but the results have never ever appeared on the Broadband map. I've logged in, disabled VPN so it automatically sees my provider but no joy.


My Broadband Speed Test


Do I need to register elsewhere to get it to appear?

-

FTTP Halo 1 with Fibre 100 (was BT Plus) Netgear R7000
150Mbps Dl 30Mbps up

Edited by watsonm (Wed 25-Mar-20 11:39:14)

Standard User epyon
(fountain of knowledge) Wed 25-Mar-20 12:09:33
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Re: speed test


[re: watsonm] [link to this post]
 
Not sure i thought it would be updated every 2 weeks? and no you don't need to be registered as mine have shown up after a while.

Administrator MrSaffron
(staff) Wed 25-Mar-20 12:13:22
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Re: speed test


[re: watsonm] [link to this post]
 
A table needs updating, i.e. replacing so the code that runs overnight will know where to put the dot. Issue is a relatively new postcode (2018) that postcode to position table does not know about.

It is in the analysis database, just some legacy code is harder to get updated and has been forgotten about a few times. Once things are back to normal and can risk breaking something will see about getting this updated.

The author of the above post is a thinkbroadband staff member. It may not constitute an official statement on behalf of thinkbroadband.
Administrator MrSaffron
(staff) Wed 25-Mar-20 12:14:06
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Re: speed test


[re: epyon] [link to this post]
 
Reason posted while you were posting.

The author of the above post is a thinkbroadband staff member. It may not constitute an official statement on behalf of thinkbroadband.
Standard User zzing123
(learned) Wed 25-Mar-20 12:25:37
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Re: speed test


[re: ggremlin] [link to this post]
 
1 stream vs 6 stream tests the consistency of your connection. It sounds a little strange, but the more you load your connection with traffic, the more efficient it becomes, as the bottleneck will always be your internet connection vs the speed of your LAN. However this means your router will be queuing up loads of packets to pass through the bottleneck and how efficiently it manages this really matters.

Normally, with 'default' settings from an ISP router, it can lead to an undesired effect called 'bufferbloat', where the router's buffers in both your router and the ISP get full, which reduces latency and general efficiency. In a simple way, you can run a speed test while also running a ping in a console and you will see the ping times go up dramatically while the speed test is running. The TBB speed tester (which along with the tester at https://www.dslreports.com/speedtest) are the two best testers on the Internet short of using special tools. When you do a test on TBB, it will have a button for 'Analysis', which will grade your line from A to F, and the same from DSL Reports will give you a rating of 'Bufferbloat'.

To mitigate this, with a decent router (OpenWrt, pfSense and a few commercial ones like Asus) will allow you to set up something called QoS (Quality of Service), which is usually based on a technology called 'fq_codel' (Fair Queue, Controlled Delay). Sometimes they are just called 'Smart Queues' on commercial routers. fq_codel is proven to be one of the most efficient traffic marshalling algorithms, by ensuring the maximum amount of traffic can go through the bottleneck, but delaying other packets so it's never overloaded.

Using this, your x1 stream and x6 stream will look broadly similar, and most importantly, your latency will stay low, so when your wife looks at a web page, it doesn't slow her down, when doing DNS lookups and her web page will still be very snappy while your big download only drops by .1mbps or so at the same time.

Here's a speed test of my line: https://www.thinkbroadband.com/speedtest/15851378587...

My line is quite troublesome, as I'm about 650m from my cabinet, and have a 17.4db attenuation. Theoretically my line could sync at 68.6mbps and 20mbps, but I deliberately limit it to 58/18 because Openreach's DLM will introduce interleaving if I run it 'peddle to the metal', which introduces latency and increasing mine from 5-7ms to over 24ms. 58mbps is more than enough to watch 4K streams, and really I couldn't give a damn about an extra 1MB/s on my downloads of 7.5MB/s. On top of that, I then run fq_codel on pfSense which moderates the traffic at that 58/18mbps limit and thus the 'analysis' on the TBB speed test shows a quality of 0.1 or grade 'A', and the idle, down and up bars are generally pretty flat, but you can also see this in the graph of how the x1 and x6 line are also pretty much the same to see the effect of what QoS does.
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